Among the movements of temporomandibular joints on both sides, the symmetrical mandible movements are
A. the jaw-opening movement
B. the jaw-closing movement
C. the protruding movement
D. the retruding movement
E. the lateral movement
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The functions of the temporomandibular ligaments are
A. to prevent lateral dislocation of the joint
B. to limit the over-protrusion of the mandible
C. to limit the excessive backward movement of the mandible
D. to limit the excessive downward movement of the mandible
E. to protect the nerves and blood vessels entering the mandible foramen
The protrusion part(s) of the articular disk include(s)
A. the anterior temporal attachment
B. the anterior mandibular attachment
C. the superior head tendon of the lateral pterygoid muscle
D. the inferior head tendon of the lateral pterygoid muscle
E. the posterior temporal attachment
Which region of the articular disk has fibers at anterior-posterior directions?
A. the protrusion part
B. the anterior band
C. the intermediate band
D. the posterior band
E. the bilaminar zone
The articular disk of the temporomandibular joint can be divided into
A. the inferior head tendon of the lateral pterygoid muscle
B. the anterior band
C. the intermediate band
D. the posterior band
E. the bilaminar zone
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